Date: Tue, 17 Oct 2017 14:23:19 -0700
From: Marc MERLIN <marc@merlins.org>
To: Luca Coelho <luca@coelho.fi>
Cc: linux-wireless@vger.kernel.org, linuxwifi@intel.com
Subject: Re: After upgrading to 4.11.1, wifi driver refuses to load after
 being unloaded once.
Message-ID: <20171017212319.eranorcigrmgcpyo@merlins.org> (sfid-20171017_232332_033337_6D2401BD)
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Sender: linux-wireless-owner@vger.kernel.org

On Tue, Oct 17, 2017 at 05:05:57PM +0300, Luca Coelho wrote:
> Hi,
> 
> On Tue, 2017-10-17 at 02:44 -0700, Marc MERLIN wrote:
> > Was broken in 4.11, still broken in 4.12. This is crippling, I'm not
> > running linux so that I have to reboot it to reload an intel wireless
> > driver :-/
> 
> Can you report a bug in https://bugzilla.kernel.org so it's easier to
> track this?
> 
> The problem seems to be that the rootport is not leaving D3 for some
> reason when the driver is loaded again.  Do you have
> CONFIG_IWLWIFI_PCIE_RTPM enabled in your .config? (you shouldn't)
 
I don't know how or why, but I seem to:
saruman:~# grep IWLWIFI /boot/config-4.12.10-amd64-preempt-sysrq-20170406 
CONFIG_IWLWIFI=m
CONFIG_IWLWIFI_LEDS=y
CONFIG_IWLWIFI_OPMODE_MODULAR=y
# CONFIG_IWLWIFI_BCAST_FILTERING is not set
CONFIG_IWLWIFI_PCIE_RTPM=y
CONFIG_IWLWIFI_DEBUG=y
CONFIG_IWLWIFI_DEVICE_TRACING=y

I'll remove that, thanks.

Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/                         | PGP 1024R/763BE901